Surge arrester T1+T2 3+1 12.5 kA TT/TNS B1614

The T1+T2 3+1 12.5 kA surge protective device is designed to protect electrical installations against lightning impulses and surges. The 3+1 solution is suitable for TT and TN-S network systems using three phases and a separate N/PE protective configuration.

The device is mountable on a DIN rail, features pluggable modules, and is suitable for use in a building's main distribution board or sub-distribution board. The status indicator allows you to quickly check whether the surge protector is functional or if a module requires replacement.

Technical data

Manufacturer: BRITEC
Model: BR-12.5M-275 3+1
Product code: B1614
Product type: surge protective device / SPD
Protection class: T1+T2 / Class I+II
Class: B+C
Network system: TT / TN-S
Number of poles: 3+1 / 3P+NPE
Nominal voltage: 230 V
Uc: 275 V
Lightning impulse current Iimp: 12.5 kA
Maximum discharge current Imax: 50 kA
Maximum back-up fuse: 160 A
Installation: 35 mm DIN rail
Version: with pluggable modules
Housing material: thermoplastic
Operating temperature: –40 °C to +80 °C
Standard: IEC 61643-11 / EN 61643-11
Certifications: CE / TUV / CB / RoHS

Suitable for, for example

Main distribution boards in private homes and commercial buildings
TT and TN-S network systems
Surge protection for three-phase installations
Protecting building incoming supply from lightning and switching surges
Installations where a T1+T2 protection level is required

Recommended accessories: distribution boards, DIN rail terminals, circuit breakers, grounding accessories, and connection wires.

Not sure if this surge protector is suitable for your installation? Write or call us — we will help you choose the right solution.

For the image, search/select a product image marked with BR-12.5M 3P+1 or BR-12.5M-275 3+1. On the manufacturer's pages, it is described as BRITEC BR-12.5M 3P+1 275V Class I+II SPD, 12.5 kA surge protective device.